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Physical Science Test

Enter the letter for the matching answer
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1.
Heat engines use _____ to convert potential chemical energy and internal kinetic energy into mechanical energy
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2.
the transfer of energy as heat through a material
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3.
An engine transforms chemical of fuel into work by
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4.
the movement of fluids due to density differences caused by temperature variations
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5.
The energy transferred between objects with different temperatures is
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6.
Solar panels gather _____ energy from the sun
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7.
the total amount of energy (both usable and unusable) in any process
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8.
A solar heating system that utilizes an electric fan to move warm air throughout a home called
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9.
Heat always moves from an object of ____ temperature to an object of ____ temperature
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10.
A drill bit will get hot after extended use. This is because
A.
radiated
B.
combustion
C.
conduction
D.
remains constants
E.
mechanical heating
F.
heat
G.
higher, lower
H.
pistons
I.
convection
J.
active system
Type the answer that corresponds to the displayed question .
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11.
___ describes how much energy is required to raise an object's temperature
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12.
Evaporation causes a ____ effect
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13.
a material through which energy is easily conducted
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14.
When one feels warm oven, the sensation of warmth is the result of
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15.
___does not involve the movement of matter
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16.
energy transferred as electromagnetic waves
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17.
characteristics physical property of a substance, denoted by the letter c
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18.
A material that is poor conductor of energy
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19.
Temperature is a measure of the average _____ energy of an objects particles
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20.
when energy is transformed, the amount of usable energy

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